Letter file



FIG. 1 is a perspective view of the letter file.

FIG. 2 is a front view thereof.

FIG. 3 is a back perspective view thereof.

FIG. 4 is a side view thereof.

FIG. 5 is a top view thereof; and,

FIG. 6 is a side/back perspective view thereof. 

The ornamental design for letter file, as shown and described. 